All patterns
PR7.7
USBCSport
2020 U.S. Open PTQ
PR7.7What's this?Designed for: VARIABLE MICROLITER STREAMS | DUAL CONDITIONING TANKS | REVERSE DROP BRUSH
- Distance
- 40 ft
- Volume
- 33.70 mL
- Ratio
- 1.51:1
- Drop brush
- 35 ft
- Forward
- 22.15 mL
- Reverse
- 11.55 mL
- Tanks
- ICE & CURRENT
- Pump
- MULTI
Forward loads
| # | Start | Stop | Loads | Mics | Speed | Buff | Tank | Distance | T. oil |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2L | 2R | 6 | 50 | 18 | 3 | B - Current | 0 → 13 | 11,100 |
| 2 | 2L | 4R | 2 | 50 | 18 | 3 | B - Current | 13 → 18 | 3,500 |
| 3 | 3L | 5R | 3 | 50 | 18 | 3 | B - Current | 18 → 25 | 4,950 |
| 4 | 9L | 6R | 2 | 50 | 18 | 3 | B - Current | 25 → 30 | 2,600 |
| 5 | 2L | 2R | 0 | 50 | 18 | 3 | B - Current | 30 → 32 | 0 |
| 6 | 2L | 2R | 0 | 50 | 22 | 3 | B - Current | 32 → 40 | 0 |
| Total | 22,150 µL | ||||||||
Reverse loads
| # | Start | Stop | Loads | Mics | Speed | Buff | Tank | Distance | T. oil |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2L | 2R | 0 | 55 | 30 | 3 | A - Ice | 35 → 28 | 0 |
| 2 | 7L | 7R | 4 | 55 | 22 | 3 | A - Ice | 28 → 16 | 5,940 |
| 3 | 3L | 4R | 3 | 55 | 18 | 3 | A - Ice | 16 → 8 | 5,610 |
| 4 | 2L | 2R | 0 | 55 | 14 | 3 | A - Ice | 8 → 0 | 0 |
| Total | 11,550 µL | ||||||||
Pinlocity Rating (PR)
How hard this pattern plays, 1 (a walled house shot) to 10 (long, flat, and heavy). Tough. Computed from the sheet numbers and the load tables; no opinions involved.
- Ratio 45%10.0Flatter patterns score higher. 10:1 walls score 1, dead flat scores 10.
- Distance 25%3.039 to 41 ft is the playable band; longer and shorter both climb.
- Outside oil 20%7.6Oil on boards 3 to 7 takes away the miss room, measured from the load tables.
- Volume 10%9.420 to 26 mL is typical; heavier or lighter both add difficulty.
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Notes
Kegel Pattern Library: Usbc Patterns / U.S. Open.
Sheet dated 2020-01-01. Pattern data from the Kegel Pattern Library, reproduced with credit to Kegel and USBC.

